Dad, How Does It Work?

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Episode 7 · 11 min · Ages 5–10

What Is Electricity?

You flip a switch and the light turns on right away. But nothing is pouring into the bulb… so what actually moved?

There’s no water. No fuel. Just a thin metal wire.

So how does electricity travel through it? What are electrons doing inside the wire the whole time? And what’s really happening when a battery or outlet “pushes” the power through?

Let’s slow it down and follow the tiny moving pieces that make everything light up.

Topic: Machines & Tech · Published 14 February 2026

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